Device for limiting surface oxidation of glowing hot metal...

Details Device for limiting surface oxidation of glowing hot metal... Device for limiting surface oxidation of glowing hot metal...

F - Mech Eng,Light,Heat,Weapons

27

D

38/20, 202/51, 3

F27D 15/00 (2006.01) C22B 7/04 (2006.01) C22B 21/00 (2006.01)

Patent

CA 1075899

ABSTRACT OF THE DISCLOSURE A device limits the oxidation of the surface of hot metallic dross by preventing access of oxygen to the dross. This device comprises a metal bell which is open at the bottom and can be moved vertically, a concrete base standing in a tank containing water and a shallow container for holding the dross. The bell exhibits a number of metallic supports projecting out of its lower edge to support the bell as it rests in the water filled tank. This arrangement provides an air-tight seal for the space inside the bell and allows for compensation of pressure change inside the bell as the hot dross consumes the limited amount of oxygen in the air inside the bell.

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